蜜芽传媒

When he's not teaching PhD students computer security, Dr Frank Stajano is an instructor in the Japanese martial art of Kendo.

Now he's trying to make hacking into a competitive sport too, launching a new inter-university competition at the Computer Lab at Cambridge University.

He told PM's Chris Vallance why it is important students learn to attack as well as defend.

(Photo: Kendo fighter Credit: 蜜芽传媒.)